{"id":"https://data.mapsnap.org/runs/v1.3/iiif/chronoscope/sanborn08982_006.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Blackstone, Virginia | 1925 | mapsnap generated fit (2026-09-23)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-09-23"},{"label":"run","value":"corpus-v1"},{"label":"pages","value":"15"},{"label":"placed","value":"9"},{"label":"unplaced","value":"6"},{"label":"fit sources","value":"georef 6, georef-snap 2, snap:0 1"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"4 sheet(s) cut into 9 panels"},{"label":"unplaced pages","value":"p1 (tier 3, 37.05223,-78.00366 +/-441m); p10 (tier 2, 37.07763,-77.99706 +/-413m); p5__2 (tier 1, 37.06193,-77.99853 +/-100m); p6__1 (tier 1, 37.07474,-78.00607 +/-516m); p6__2 (tier 1, 37.07676,-78.00832 +/-266m); p9__2 (tier 1, 37.08550,-77.99681 +/-133m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p2","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"4"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1505.6,1858.4 -0.0,1913.0 -0.0,-0.0 839.1,0.0 841.0,432.0 1463.3,427.1 1505.6,1858.4\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1483.0,1047.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9947958,37.0824823]}},{"type":"Feature","properties":{"resourceCoords":[841.0,432.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.99562,37.083993]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p3","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"20"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1315.6,1829.7 294.3,1840.3 272.9,401.6 365.1,151.4 1305.1,96.2 1309.4,787.1 1613.0,773.7 1613.0,1913.0 1532.8,1913.0 1531.2,1684.0 1314.2,1684.4 1315.6,1829.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[790.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.997506,37.080404]}},{"type":"Feature","properties":{"resourceCoords":[286.0,795.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.998551,37.080763]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0004/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p4","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0004/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,694.5 89.4,652.4 396.7,652.5 406.2,149.7 1401.9,141.0 1401.4,0.0 1613.0,0.0 1613.0,1675.1 -0.0,1688.7 -0.0,694.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0004/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00019601261887,37.079579755636615]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.99676285876598,37.078405400669006]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.99849634224742,37.0751339968736]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00192949610032,37.07630835184121]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p5 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,0.0 18.4,0.0 -0.0,1259.0 389.0,1195.0 389.0,1787.0 839.4,1721.4 833.2,1580.2 1133.3,1575.7 1132.7,1415.5 1255.6,1252.0 1613.0,1245.5 1613.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[389.0,1195.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.002008,37.074354]}},{"type":"Feature","properties":{"resourceCoords":[389.0,1787.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.002546,37.073329]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0006__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p6 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"split_canvas_x","value":"5081.2"},{"label":"split_canvas_y","value":"6647.2"},{"label":"split_canvas_w","value":"1370.8"},{"label":"split_canvas_h","value":"1004.8"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0006__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1613.0,1661.8 1271.1,1663.5 1270.3,1913.0 1613.0,1913.0 1613.0,1661.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0006__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[1270.3,1661.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.01057171047671,37.07726968353349]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1661.8],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00979392990786,37.07711368512641]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00993657532672,37.0766545587264]}},{"type":"Feature","properties":{"resourceCoords":[1270.3,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.01071435589557,37.07681055713348]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0007/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p7","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0007/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0007","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,0.0 938.9,0.0 925.0,83.8 1133.9,83.1 1083.0,390.9 989.8,389.6 993.9,940.7 1255.4,940.6 1230.9,1140.7 1451.5,1176.2 1613.0,360.9 1613.0,994.8 1613.0,994.8 1613.0,1913.0 -0.0,1913.0 0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0007/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00681653174671,37.075585046766975]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-77.99985403268494,37.07424397218454]}},{"type":"Feature","properties":{"resourceCoords":[1613.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00183346382077,37.06760900332366]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1913.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-78.00879596288256,37.068950077906095]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p8 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4974.0"},{"label":"split_canvas_w","value":"3595.6"},{"label":"split_canvas_h","value":"2678.0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"0.0,1693.5 0.0,1913.0 785.0,1913.0 819.7,1913.0 809.8,1643.8 736.5,1648.5 682.0,1325.1 147.6,1428.8 194.0,1681.1 0.0,1693.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[480.9,1664.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.001915,37.072251]}},{"type":"Feature","properties":{"resourceCoords":[736.9,1648.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.001509,37.073116]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p8 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"5"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"-0.0,0.0 0.0,1418.8 741.8,1243.5 898.9,1913.0 960.0,1913.0 1331.4,1913.0 1298.2,1142.1 1342.6,1118.2 1499.6,1110.5 1444.7,164.7 1485.6,15.2 1264.0,28.0 1262.4,0.0 -0.0,0.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0008__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1477.0,598.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.9990165,37.0798748]}},{"type":"Feature","properties":{"resourceCoords":[635.0,773.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-78.002793,37.080641]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0009__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Blackstone, Virginia | 1925 | sanborn08982_006 p9 [1]","metadata":[{"label":"streets","value":"8"},{"label":"intersections","value":"21"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-09-23T01:05:40Z","modified":"2026-09-23T01:05:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0009__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0009","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"435.8,1913.0 1613.0,1913.0 1613.0,441.4 811.3,649.0 514.3,0.0 -0.0,0.0 29.6,750.4 342.5,746.5 367.3,1466.1 287.7,1466.3 288.0,1804.0 433.0,1798.2 435.8,1913.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd388m:g3884m:g3884bm:g3884bm_g089821925:08982_1925-0009__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1045.0,1053.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.991848,37.081505]}},{"type":"Feature","properties":{"resourceCoords":[288.0,1804.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-77.996422,37.080047]}}]}}]}